If you are driving at this time and see the sign in question, you should switch to another lane.
The sign being referred to is the HOV +2 Only sign which refers to a Higher Occupancy Vehicle with at least 2 people in it.
Seeing this sign means that the lane you are on is reserved for only cars with a minimum of 2 people in it and as you are driving yourself to school, it means you are alone in the car and so should not be on that lane.
In conclusion, you should change lanes.
Find out more about lane markings at https://brainly.com/question/14965151.
